Registry record
- NPI
- 1326088188
- Profession
- Nurse Practitioner (NP)
- Specialty
- Family Nurse Practitioner (363LF0000X)
- Practice address
- 169 Lake Park Rd
Lewisville, TX 75057 - Phone
- 9724367571
- In the registry since
- June 8, 2006
- Last NPPES update
- May 6, 2010
- Sole proprietor
- Yes
- License
- 598609 (TX)
At this location
This location lists no other NP or PA providers in our current data.
In context
The NPI number of Granville Howerton is 1326088188. They are a Family Nurse Practitioner in Lewisville, Texas.
Granville Howerton is one of 59 Family Nurse Practitioners in Lewisville and one of 22,499 across Texas in our data.
The NPI has been in the federal registry for 20 years, since June 8, 2006.
Frequently asked questions
What is NPI 1326088188?
NPI 1326088188 is the 10-digit National Provider Identifier assigned to Granville Howerton, a Family Nurse Practitioner practicing in Lewisville, Texas. The record has been in the NPPES registry since June 8, 2006.
How do I verify this provider?
Cross-check NPI 1326088188 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license 598609 with the TX licensing board. You can also run the number through our free NPI validator to confirm its checksum.
Is this information current?
This profile reflects the June 2026 NPPES data file. NPPES lists the record's last update as May 6, 2010. We refresh our data each month when CMS publishes a new file.
Data: NPPES public registry, June 2026 file. Not medical advice. Verify independently before care or credentialing decisions. Errors in the source record can be corrected at nppes.cms.hhs.gov; see our corrections page.